As an Amazon Associate RebootMyGarage.com earns from qualifying purchases. Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates.

The Best Generator Shed Products

I don’t like noise. Our dog doesn’t like noise. But our old generator made a ton of noise. Every time we had an ice storm, the power went out, the generator went on, and the dog got nervous. I was also not a fan of the generator taking up space near my car door in the garage. I had to squish between the generator and my car to get into the house.Our very chill dog helping build the generator shed.

It was time to get a new generator, and to put that new generator into an outdoor shed.

 

Do you want to move the generator from the garage to a generator shed?

Read the Generator Shed article here.

The Best Two-Week Outage Generator

Firman Generator in the new shed
Firman Generator in the new shed

The best generator for a two-week outage is the Firman H08051. This is the dual fuel Firman model with an electric start button. It does have a pull-start if the button’s battery has run out. The generator runs on both gasoline and natural gas. The natural gas can be either propane or LPG. With this generator, you can stock up on gas and propane for the winter. If there’s a shortage of either one, you will still be able to power your generator with the other type of fuel. To change the fuel source, you turn the motor off, flip a switch, and turn the motor back on. The Firman outputs an average 74 dB of noise. This is much quieter than the generator we used for 20 years. The generator comes with tools, wheels and oil.

Keep reading to learn how to get free shipping, free lift gate service, and a 5% rebate on the Firman H08051 Generator.

Skip the explanation and view the Firman Generator and shed pieces on Amazon now:

Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
64 Reviews
Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
  • Dimensions: 29.9" L x 27.5" W x 26.1" H
  • Power when you need it most. The H08051 Hybrid Dual Fuel portable generator is there to get the job done. Best used for emergency power, jobsite, farm/ranch, large RV’s and buses
  • Delivers true 30A & 50A power
  • Electric start | 8 gallons 12 hours
  • Dual fuel versatility
  • No hassle easy to use 5.5Ft LP (propane) hose
  • Ergonomically designed padded handle
  • Frequency (Hz): 60
  • Durable Compact Tubular Roll Cage Frame Design


Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8'
322 Reviews
Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8"
  • Comes with power cord
  • Painted for protection and corrosion resistance
  • 8 inches in Diameter
  • Motor located outside the air stream
  • 261 CFM fan with a low power motor
  • 60 Day Manufacturer's

soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
172 Reviews
soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
  • Use for soundproofing basements, conference rooms, studios, apartments, machinery, pipes and more.
  • Made with the highest quality materials for superior strength, durability and flexibility. Made in the USA.
  • STC rating 27, 1/8" thick, odorless
  • More options available at Burning River Buys
  • Heavy - weighs 1 pound per square foot or 100 pounds

Rockwool Acoustic Mineral Wool Insulation 80-8lb 48'x24'x2' 6pcs
57 Reviews
Rockwool Acoustic Mineral Wool Insulation 80-8lb 48"x24"x2" 6pcs
  • Mineral Wool Insulation in 8lbs per unit density.
  • Great as Acoustic insulation or as a soundproofing material
  • Cost effective and Very High NRC Rating, better than Owens Corning 703
  • Water repelling - hydrophobic- Class A fire rating
  • Rigid Boards, perfect for making acoustic panels and bass traps

Owens Corning R-19 Faced Fiberglass Roll 23' Wide
72 Reviews
Owens Corning R-19 Faced Fiberglass Roll 23" Wide
  • Individual Faced Roll - 23 Inches Wide x 39.2 Feet Long x 6.25 inches Deep
  • Idea for use in 2x6 walls, floors, crawlspaces and attics; providing Excellent thermal control & Effective acoustical control
  • With less dust than other Fiberglass products, EcoTouch PINK Fiberglass insulation has excellent stiffness and recovery characteristics
  • Compression packaging from Owens Corning speeds job site handling and installation
  • GREENGUARD GOLD Certified and validated to be Formaldehyde free

This Generator Has 8,000 Running, and 10,000 Starting Watts

This model is the most powerful dual fuel generator I could find. It’s awesome to be able to run the well pump, dishwasher, refrigerator and microwave at the same time. This generator runs our entire house, within reason. “Within reason” means that we’re not turning on every single lamp, appliance, computer and television at once.

The Firman comes with a 25 ft. power cord.
The Firman generator comes with a 25 ft. power cord.

We love the extra power over our old generator. We no longer have to shut down and move power to go from powering the well pump to powering the microwave.

This Generator Runs on Propane or Gasoline, Handy if there’s a Shortage

The Firman generator runs on either gasoline and natural gas (which is propane or LPG). Switching fuel sources is literally as easy as flipping a switch. There’s a nifty lock designed into the switch so you don’t switch to propane while actively running on gas.

We bought the Firman H08051 generator, and we love it.
This generator accepts gasoline and natural gas as fuel. You can run one or the other at at time. If you run out of gas, you can switch to natural gas (propane or or LPG).

We chose dual fuel in case we ever needed generator power during a gasoline shortage. The option of running on propane doubles our chances of finding fuel to run the generator. The generator comes standard with a gas tank and a 20 or 30 lb. DOT size propane tank connection. You can also have your gas company hook your generator to a Liquid Petroleum Gas (LPG) large tank.

This Generator Has a 12 Hour Running Time

The Firman generator runs 12 hours on 8 gallons of gasoline. That running time is calculated based on your using the generator at an average of 50% for that block of time. I have looked high and low for how long it runs on a 20 lb. propane tank. I can’t find it. If I do, I’ll update this article.

The Firman Has an Electric Start Button

The Firman has both an electric start and a pull start.
The Firman has both an electric start and a pull start.

I’ve never gotten along with pull starts. Arthritis doesn’t make them any easier to use. The Firman generator has an electric start button as well as a pull start. Why both? Because you have to keep the battery powered for the electric start button to work!

Should the battery run down, you can still start the generator using the pull start. To maintain the battery’s charge, start the generator once a month. Leave it running for 30 minutes.

This Generator is Quieter

We were used to a loud generator.

The generator controls are well-spaced and are accessible.
The controls are well-spaced and are accessible.

At 74 dB, the generator is not as quiet as a house fan, but it sends way less noise into the house than our previous generator did.

Get the Firman Dual Fuel 8,000 Watts Electric Start Button Generator Here

Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
64 Reviews
Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
  • Dimensions: 29.9" L x 27.5" W x 26.1" H
  • Power when you need it most. The H08051 Hybrid Dual Fuel portable generator is there to get the job done. Best used for emergency power, jobsite, farm/ranch, large RV’s and buses
  • Delivers true 30A & 50A power
  • Electric start | 8 gallons 12 hours
  • Dual fuel versatility
  • No hassle easy to use 5.5Ft LP (propane) hose
  • Ergonomically designed padded handle
  • Frequency (Hz): 60
  • Durable Compact Tubular Roll Cage Frame Design

Recommended  Generator Shed Supplies and Components

After we got the box on Craigslist, we modified it with an access hatch, exhaust port and insulation.

The Exhaust Port

The box that become our shed came with a louvered window like this one below. We painted it white and called it a day. However, we might find on using the generator that we need to exhaust the air from inside the box.

Truaire Filter Grill
Truaire Filter Grill: We box the shed frame on Craigslist. It already had a vent cover like this on the air exhaust window. The vent cover prevents rain and snow getting in while allowing air to pass.

We aready have an exhaust valve going from the generator’s output port to the outside. But the box itself does not have any moving air.

If things get smokey in the box, we wil replace the vent cover with an exhaust fan like the one below.

Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8'
322 Reviews
Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8"
  • Comes with power cord
  • Painted for protection and corrosion resistance
  • 8 inches in Diameter
  • Motor located outside the air stream
  • 261 CFM fan with a low power motor
  • 60 Day Manufacturer's

Sound Insulation Materials

Sound reduction is a complicated subject. Sound waves are pesky and smart. I researched materials to soundproof the generator box. I was surprised to find so many materials that would not work.  Probably the most effective sound dampener would have been a baffle box. I was not ready to take this on. The best material appears to be Mass Loaded Vinyl. Do not get neoprene or “sound insulation” rubber.  MLV comes in 1/2 lb., 1 lb. and 2 lb. weights. As with all sound dampening materials, the more you use, the better your results. Rock Wool is a good alternative, and Batt Insulation comes in 3rd place. We chose batt insulation. We cut the pieces and placed them in the shed interior. But when we put the generator in the shed, we realized that the insulation was taking up too much space. So we never installed the insulation in the shed.

Recommended Mass Loaded Vinyl

I like the “soundsulate” 1 lb. MLV. It’s 100% virgin rubber, so there’s no off-gassing smell. It’s made in the USA, and has 22 5-star reviews. One reviewer used it to prevent cooking smells from coming upstairs. It also cut all the sound between floors.. Another used two layers to almost completely reduce the drum sounds from next door. Another used it on a fence to cut noise. I was surprised that this worked, since sound will travel over obstructions.

View the Mass Loaded Vinyl on Amazon:

soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
172 Reviews
soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
  • Use for soundproofing basements, conference rooms, studios, apartments, machinery, pipes and more.
  • Made with the highest quality materials for superior strength, durability and flexibility. Made in the USA.
  • STC rating 27, 1/8" thick, odorless
  • More options available at Burning River Buys
  • Heavy - weighs 1 pound per square foot or 100 pounds

Reviews of this MLV are so good, I’m thinking of using this to sound proof a bedroom to give the dog a safe space when fireworks go off.

Batt Insulation

After researching the cost of mass loaded vinyl, we ended up going with an insulation sound barrier. We got the R13 Owens Corning batt insulation to line the shed for sound reduction. I didn’t see the R19 (below), which I would have gotten had I seen it. When installation batt insulation in the shed, do not compress it. The sound reduction works when there’s air between the fibers. If you use batt, definitely get “faced” batt insulation. This puts a safe exterior on the side facing into the room. The insuation is nasty, you don not want to get it on you. BE CAREFUL WITH BATT INSULATION. Use gloves and glasses.

View the batt insulation on Amazon:

Owens Corning R-19 Faced Fiberglass Roll 23' Wide
72 Reviews
Owens Corning R-19 Faced Fiberglass Roll 23" Wide
  • Individual Faced Roll - 23 Inches Wide x 39.2 Feet Long x 6.25 inches Deep
  • Idea for use in 2x6 walls, floors, crawlspaces and attics; providing Excellent thermal control & Effective acoustical control
  • With less dust than other Fiberglass products, EcoTouch PINK Fiberglass insulation has excellent stiffness and recovery characteristics
  • Compression packaging from Owens Corning speeds job site handling and installation
  • GREENGUARD GOLD Certified and validated to be Formaldehyde free

Rock Wool Insulation

Rock wool insulation is effective but expensive. We rejected it in favor of batt insulation based on price. If I were to use rock wool, I would get thse Roxul Rock Wool insulation boards.. I love that they stand up on their own, so inserting them into the shed would be easy. Use gloves and glasses when handing insulation.

View the Rock Wool insulation on Amazon:

Rockwool Acoustic Mineral Wool Insulation 80-8lb 48'x24'x2' 6pcs
57 Reviews
Rockwool Acoustic Mineral Wool Insulation 80-8lb 48"x24"x2" 6pcs
  • Mineral Wool Insulation in 8lbs per unit density.
  • Great as Acoustic insulation or as a soundproofing material
  • Cost effective and Very High NRC Rating, better than Owens Corning 703
  • Water repelling - hydrophobic- Class A fire rating
  • Rigid Boards, perfect for making acoustic panels and bass traps

How to Get Free Lift Gate Service and 5% off the Generator

The Firman generator arrived on a gigantic truck. I mean GIGANTIC. Some companies selling generators over the internet charge you extra for “lift gate service.”

That’s the fee for getting it from the truck to your garage. We bought our Firman generator from Amazon. As Amazon Prime members, we got free shipping, and free lift gate service. We also used our Amazon Prime Visa Card to buy the generator. This earned us a 5% rebate off the generator cost.

I didn't have to pay extra for "lift gate service" to get it from the truck to my front yard.
I didn’t have to pay extra for “lift gate service” to get it from the truck to my front yard.
  1. Free shipping and lift gate service. If you have an Amazon Prime membership, the generator shipping will be free, including the lift gate service. Get an Amazon Prime Membership here.
  2.  0% financing and a 5% rebate. If you use the Amazon Prime Visa card to pay for the generator, you will get a 5% rebate on the generator. Get an Amazon Prime Rewards Visa here. Amazon is offering 18 month financing at 0% (available at the time of publication, hurry, I don’t know how long the offer will last).
  3. Run on gasoline, propane, or with LPG from your gas company.
  4. It’s way quieter than older model generators.
  5. Runs for 12 hours per tank.
  6. Easy electric start button.
  7. 8,000 running watts, enough to run my 2 story house.

Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
64 Reviews
Firman H08051 10000/8000 Watt 120/240V 30/50A Electric Start Gas or Propane Dual Fuel Portable Generator CARB Certified
  • Dimensions: 29.9" L x 27.5" W x 26.1" H
  • Power when you need it most. The H08051 Hybrid Dual Fuel portable generator is there to get the job done. Best used for emergency power, jobsite, farm/ranch, large RV’s and buses
  • Delivers true 30A & 50A power
  • Electric start | 8 gallons 12 hours
  • Dual fuel versatility
  • No hassle easy to use 5.5Ft LP (propane) hose
  • Ergonomically designed padded handle
  • Frequency (Hz): 60
  • Durable Compact Tubular Roll Cage Frame Design


Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8'
322 Reviews
Professional Grade Products 9800511 Metal Shutter Exhaust Fan for Garage Shed Pole Barn Hydroponic Ventilation, 8"
  • Comes with power cord
  • Painted for protection and corrosion resistance
  • 8 inches in Diameter
  • Motor located outside the air stream
  • 261 CFM fan with a low power motor
  • 60 Day Manufacturer's

soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
172 Reviews
soundsulate 1 lb Mass Loaded Vinyl MLV, Soundproofing Barrier 4' x 25' (100 sf) click for ADDITIONAL OPTIONS
  • Use for soundproofing basements, conference rooms, studios, apartments, machinery, pipes and more.
  • Made with the highest quality materials for superior strength, durability and flexibility. Made in the USA.
  • STC rating 27, 1/8" thick, odorless
  • More options available at Burning River Buys
  • Heavy - weighs 1 pound per square foot or 100 pounds

Rockwool Acoustic Mineral Wool Insulation 80-8lb 48'x24'x2' 6pcs
57 Reviews
Rockwool Acoustic Mineral Wool Insulation 80-8lb 48"x24"x2" 6pcs
  • Mineral Wool Insulation in 8lbs per unit density.
  • Great as Acoustic insulation or as a soundproofing material
  • Cost effective and Very High NRC Rating, better than Owens Corning 703
  • Water repelling - hydrophobic- Class A fire rating
  • Rigid Boards, perfect for making acoustic panels and bass traps

Owens Corning R-19 Faced Fiberglass Roll 23' Wide
72 Reviews
Owens Corning R-19 Faced Fiberglass Roll 23" Wide
  • Individual Faced Roll - 23 Inches Wide x 39.2 Feet Long x 6.25 inches Deep
  • Idea for use in 2x6 walls, floors, crawlspaces and attics; providing Excellent thermal control & Effective acoustical control
  • With less dust than other Fiberglass products, EcoTouch PINK Fiberglass insulation has excellent stiffness and recovery characteristics
  • Compression packaging from Owens Corning speeds job site handling and installation
  • GREENGUARD GOLD Certified and validated to be Formaldehyde free

  •  
  •  
  •  

You might also like: Reboot My Garage

Store Your Board Kayak and Ladder Ceiling Storage Rack

Garage Storage Strategies

How to strategize your cleaning and garage organization.
Learn More
Garage Floor Tiles

Improve the Garage Floor

Discover cool garage advertisements, neon signs, art, lamps and complete re-designs for your garage.
Learn More
The Best Garage Organization Products

The Best Garage Organization Products

Wall, ceiling and off-garage ways to store brooms, shovels, balls, and equipment.
Learn More
The Best Garage Cleaning Products

The Best Garage Cleaning Products

Find the best cleaning and vacuum products for the garage
Learn More
The Best Garage Improvement Products

The Best Garage Improvement Products

The best thermal leak detector, floor repair products, extension cords, garden grow shelves, and everything to improve your garage.
Learn More
The Best Garage Vacuums

The Best Garage Vacuums

The best vacuum cleaners for the garage
Learn More
VacuMaid GV50Pro vacuum cleaner utility tool

Vacuum Cleaners and Shop Vacs

How to buy and use a garage vacuum cleaner or shop vac
Learn More
Garage Tools & Utilities

Garage Tools & Utilities

Garage electricity, water, and oil.
Learn More
Best sports ball hanging basket

Sports Equipment Storage

Learn how to store sports ball, sports equipment, cleats, and gear.
Learn More
Recommended Ladders

Ladder Storage

Hang your ladder on a wall hook or a ceiling hook. Get a garage wall organization system with a ladder hook. Put the ladder on the ceiling.
Learn More
The Gladiator Claw

Garage Ceiling Storage

How to store garage stuff using the ceiling space. Garage ceiling bike hooks, lifts, and shelves.
Learn More
Store Your Board Kayak and Ladder Ceiling Storage Rack

Big Item Storage

How to store kayaks, ladders, dangerous liquids, and awkward items like hoses.
Learn More
reboot my garage temperature

Control My Garage Temperature

Insulate, air condition and heat my garage.
Learn More
Secure my garage

Secure My Garage

Secure the garage from burglars and intruders
Learn More
Store garden tools and grow gardens in your garage

Do Hobbies in My Garage

Can you grow a garden in the garage? Yes!
Learn More
Decorate my garage

Improve My Garage Design

Discover cool garage advertisements, neon signs, art, lamps and complete re-designs for your garage.
Learn More
The Wallmaster holds five bikes. Wide handlebars jut into another bike's space.

Bicycle Storage

Kickstands, wall mounts, and ceilling winches are just three of the many ways you can store your family's bicycles. Learn more here.
Learn More
Sunco Garage Lights

Improve My Garage Light

Learn how many lamps you need to light your garage; how to use lights for garage safety and security; and how to choose lightbulbs for your garage space
Learn More
Reboot My garage Doors

Improve My Garage Doors

Learn how to repair, insulate and replace your garage doors.
Learn More
Reboot My Garage Wall Storage

Garage Wall Storage

Clearn, organize and store everything on your garage wall.
Learn More
The Best Sports Organizers for the Garage

The Best Sports Organizers for the Garage

Best sports equipment and sports ball organizers for the garage.
Learn More

You might also like: Editor's Choice: The Best Garage Products

The Best Garage Cleaning Products

The Best Garage Cleaning Products

Find the best cleaning and vacuum products for the garage
Learn More
The Best Garage Improvement Products

The Best Garage Improvement Products

The best thermal leak detector, floor repair products, extension cords, garden grow shelves, and everything to improve your garage.
Learn More
The Best Garage Organization Products

The Best Garage Organization Products

Wall, ceiling and off-garage ways to store brooms, shovels, balls, and equipment.
Learn More
The Best Garage Vacuums

The Best Garage Vacuums

The best vacuum cleaners for the garage
Learn More
The Best Sports Organizers for the Garage

The Best Sports Organizers for the Garage

Best sports equipment and sports ball organizers for the garage.
Learn More